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Detroit Diesel engine swap

 
  #31  
Old 06-18-2009, 01:48 AM
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i think the next one i do will be an MBE 900 with an allison 1000 in it, with the hp cranked. those are pretty good across the board
 
  #32  
Old 06-18-2009, 01:59 AM
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If you crank the HP, then I wouldn't go with an Allison 1000. They'll blow up without much effort, even with relatively conservative tunes power wise..I've heard that some of the high HP Duramax guys use built up Dodge 47RF/RE or 48RF transmissions just because of the difficulties of building up an Allison 1000
 
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Old 06-18-2009, 02:42 AM
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If I remeber correctly there is an 4-53T version used in marine applications which puts out around 225 hp(maybe higher). I looked into doing this conversion to a late 70's ford myself but found the marine version next to impossible to find.

What had inspired me to do it was one of my heavy equipment mechanic course instructors had done that exact conversion. He always used to say that the Detroit could do anything his 12 valve cummins could do only at a lower rpm.

However, lugging down a detroit (jimmy) to a low rpm is not a good idea. They only run about 4 psi oil pressure at idle and don't produce enough oil pressure to adequately lubricate the main bearings until they are practically wide open.
 
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Old 06-18-2009, 03:05 AM
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I thought the issue with lugging detroits was that at low RPM, the roots blower doesn't provide sufficient flow to force the exhaust out?
 
  #35  
Old 06-18-2009, 11:47 PM
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go for it! me and my dad have been looking for a decent deal on a 6v53t for my grandpa's old baby; a 1959 tonner, we are gonna try to mate a detroit up to my nv4500 and use a 2 speed brownie we got out of a 57 gmc 650. along with f450 2wd axles to upgrade to either 8 or 10 lug.my grandpa drove a truck most all his life and always loved the sound of the detroits (but he owned a cummins, hmm...)

and there are some video's of a mid 70's highboy with a snow plow that is running a 6v53t.

don't forget that there is a special way to get get into a detroit powered truck. when you first open the door you got to slam your hand in the door jam so your mad enough to drive it...
 
 
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